Shanghai Zhongzhou Special Alloy Materials Co,.Ltd.

Iron-Base Alloy
Good corrosion-, high temperature-, thermal shock- and oxidation-resistance, Comparatively High normal temperature and high temperature hardness , High temperature strength, Excellent resistance against oxidizing-reducing media-, high-temperature gas- , and reductive acid- corrosion. mainly used in agriculture, chemical industry, metallurgy and mine industry. Main product classification: Iron Bare Rods, Iron Precision Casting and Forging Parts.

Iron-Base Bare Rods
　

Brand Abroad	Metal NO:	Nominal Chemical Composition(W%)								HRC	Application
Brand Abroad	Metal NO:	C	Cr	Si	Ni	Mn	B	Fe		HRC	Application
Shield 90	Fe301	2.50	26.50	1.40	--	1.20	--	Bal	0.50	50-54	relieved teeth, pump sleeve, in/outlet spiracle of diesel engine, saw teeth, etc
Shield 90M	Fe301M	2.50	28.00	3.50	4.00	1.40	--	Bal	0.50	48-54	relieved teeth, pump sleeve, in/outlet spiracle of diesel engine, saw teeth, etc
Shield 94	Fe302	3.20	30.00	1.70	3.50	1.60	0.80	Bal	0.50	56-60	gouge type drill head shaft, excavator, cracker roller, etc
Shield 94M	Fe302M	3.50	28.50	3.00	--	3.00	0.70	Bal	0.50	56-64	gouge type drill head shaft, excavator, cracker roller, etc
Shield 303	Fe303	3.00	17.00	0.90	--	Mo:2.50	--	Bal	0.50	48-52	wearing parts in agricultural machinery, metallurgical mines, constrction materials industry, etc,
Shield T-1	Fe304	1.10	30.00	5.00	10.00	1.00	Co:12.00	Bal	0.50	38-44	Comparatively good resistance against wear, high-temperature, thermal shock, substitution for Shield 6
Shield 305	Fe305	2.00	35.00	5.00	10.00	1.00	--	Bal	0.50	50-54	Comparatively good wear-,corrosion-resistance, substitution for Shield 12
Shield 306	Fe306	3.00	35.00	4.40	10.00	1.00	--	Bal	0.50	49-55	High normal-temperature and high-temperature hardness; comparatively good resistance against abrasive dust wear and corrosion; substitution for Shield 1
Shield 307	Fe307	3.10	17.00	1.00	Mo: 16.00	1.00	V:1.90	Bal	0.50	60-64	Used where excellent abrasive dust wear-resistance is required, substitution for Shield 19
Shield 308	Fe308	0.30	17.00	0.50	0.70	16.00	--	Bal	0.50	20-28	Comparatively good high-temperature-,corrosion-,thermal shock-resistance and high-temperature hardness; substitution for Co121

Iron-Base Precision Casting
　

Brand Abroad	Metal No:	Nominal Chemical Composition(W%)									Application	Reference Standard
Brand Abroad	Metal No:	C	Si	Cr	Mo	Mn	Ni	N	Cu	Fe	Application	Reference Standard
Shield 20#	Fe320Z	0.07	1.50	21.00	2.50	1.50	29.00	--	3.50	Bal	valve and valve parts under the special mining industry	ASTM A743M CN-7M
Shield 825Z	Fe325Z	0.05	1.00	21.50	3.00	1.00	41.00	--	2.50	Bal	heat exchanger, condenser and can be used under various ion containing sulphuric acid condition, e.g: pump, valve, etc	ASTM A494 CU5MCuC
Shield 333Z	Fe333	0.80	1.50	33.00	1.50	2.50	10.00	0.25		Bal	parts under high temperature and wear-resisting mining industry.	GB/T5235 ZG8Cr33Ni9N
Shield 340Z	Fe340	0.40	2.00	26.00	0.50	2.00	20.00	--	--	Bal	where strong intensity is required, e.g. furnace roller, trestle, etc	ASTM A297 HK
Shield 344Z	Fe344Z	0.025	1.00	20.00	6.50	1.20	18.50	0.21	1.00	Bal	pump and valve under reductive acid medium condition and marine equipment, etc.	ASTM A351 CK3MCuN
Shield 351Z	Fe351Z	0.03	1.00	22.00	3.00	1.50	5.50	0.20	--	Bal	pump,valve,heat exchanger for marine petroleum industry.	ASTM A890 CD3MN/4A
Shield 353Z	Fe353Z	0.03	1.00	25.00	4.50	1.50	7.00	0.20	--	Bal	seawater heat exchanger，pump and valve, etc.	ASTM A890 CE3MN/5A
Shield 354Z	Fe354	0.04	1.00	25.50	2.00	1.00	5.00	--	3.00	Bal	Pump, valve, heat exchanger of marine, chemical and petroleum industry.	ASTM A890 CD4MCu/1A
Shield 355Z	Fe355Z	0.03	1.00	25.00	3.50	1.00	7.50	0.25	1.50	Bal	pump, valve, heat exchanger for petrochemical, marine and fertilizer industry.	ASTM A890 CD3MWCuN/6A
Shield 174Z	Fe374	0.07	1.00	16.50	--	1.00	4.00	--	3.50	Bal	pump and its parts under corrosive condition.	ASTM A747 CB7Cu-1

Iron-Base Forging
　

Brand Abroad	Metal No:	Nominal Chemical Composition(W%)									Application	Reference Standard
Brand Abroad	Metal No:	C	Si	Cr	Mo	Mn	Ni	N	Cu	Fe	Application	Reference Standard
Shield 310MB	Fe310M	0.03	0.40	0.03	2.50	2.00	22.00	--	--	Bal	mainly used in the structural material of urea production, e.g. heat exchanger etc.	ASTM A182 F310MoLN
Shield 319B	Fe319	0.06	1.00	22.00	2.00	5.00	12.00	--	--	Bal	the equipment and component of good corrosion-resisting and strong load- or attrition-withstanding,	ASTM A182 FXM-19
Shield 320B	Fe320	0.07	1.00	20.00	2.50	2.00	35.00	--	3.50	Bal	sulfuric acid heat exchanger、vessel and the fuel-refining equipment	ASTM A182 F20
Shield 825B	Fe325	0.05	0.50	22.00	3.00	1.00	44.00	--	2.00	Bal	used in heat exchanger,condenser	ASTM B564 UNS N08825
Shield 2132	Fe332	0.08	1.00	14.00	1.00	2.00	25.00	--	--	Bal	trength part under high temperature, e.g.fastener、blade etc	ASTM A638 UNS S66286
Shield 344	Fe344	0.02	0.80	20.00	6.00	1.00	18.00	0.20	0.80	Bal	valve,marine equipment	ASTM A276 F44
Shield 351	Fe351	0.03	1.00	22.00	3.00	2.00	5.00	0.1	--	Bal	parts of pump and valve	ASTM A182 F51
Shield 353	Fe353	0.03	0.80	25.00	4.00	1.20	7.00	0.28	0.50	Bal	pump ,valve and heat exchanger.	ASTM A182 F53
Shield 355	Fe355	0.03	1.00	25.00	4.00	1.00	7.00	0.25	0.80	Bal	petrochemical and fertilizer industry.	ASTM A182 F55
Shield 256Mo	Fe356	0.02	0.50	20.00	6.50	2.00	25.00	0.20	1.00	Bal	heat exchanger, pipe,etc. the product including forging, bar.	ASTM A625 UNS N08926
Shield 360	Fe360	0.03	1.00	22.50	3.50	2.00	5.50	0.15	--	Bal	heat exchanger, synthetic ammonia chiller,etc	ASTM A182 F60
Shield 174	Fe374	0.07	1.00	16.50	--	1.00	4.00	--	4.00	Bal	valve parts under corrosive condition .	ASTM A705 17-4PH
Shield 177	Fe377	0.09	1.00	17.00	--	1.00	7.00	--	--	Bal	kinds of vessel,spring with good corrosion-resistance and comparatively high strength.	ASTM A705 17-7PH
Shield 800H	Fe380	0.08	1.00	21.00	--	1.50	33.00	--	0.75	Bal	the synthetic fiber project of heat pipe, furnace tube and heat-resisting component and so on	ASTM B564 UNS N08811
Shield 904L	Fe390	0.02	1.00	21.00	4.50	2.00	26.00	0.10	1.50	Bal	equipment of heat exchanger and pipe, the products including bar and wire.	ASTM A182 F904L
Shield 3C4B	Fe3C4	0.08	4.00	18.00	--	2.00	13.00	--	--	Bal	the production、the storage and transport installment and equipment of nitric acid,	GB1220-92 0Cr18Ni13Si4